Stove.



.1. STAFFORD.

STOVE.

APPucATmN msn Amzz. 19de" Patented July 25, 1916.

2 SHEETS-SHEET I.

Ils @Wmme sii!" W. L STAFFORD. STOVE.

Arme/mb! mi mhz?. 191s.

1 ,1 92,701., Patented July 25, 1916.

2 SHEETS-SHET Z.

attenua:

UNITED STATES `?ATENT QFFCE,

WILLIAM JOHN STAFFORD, OF QUINCY, ILLINOIS,

ST OVE,

,'Qilrlcy, inthe county ot Adams and State of lllirioihafve invented certain new and usefulImprovements iny Stoves; and l do i i declare thevfolloii'ing to be a full, clear, and

exactd'escription Vof lthe invention, such as will enable others skilled'in the art to which it appertainstoma'ke and use the same.

My. invention relates to improvements in stoves of `the class designed for cooking purposes andvforvbmning solid, liquid or ,erasen ous fuels, the present application being generic in Ipart to the structure herein described and to that disclosed in my copending U. S. application, Serial No. 93213, filed April 24, 191e. A i

One object of the invention is to locate the. ovenaburner fait a point at which it will be readily accessible for cleaning and repairingand to provide a shield plate for covering said burner when solid fuel is being used, thereby preventing the accumulation of soot and the likeon said burner.

Another object is to so position the aforesaid shield plate as to cause it to equalize the draft of hot air through portions of a flue which are of unequal cross sectional area. y 1 i Yet another' object is to provide a system of dempers connected for simultaneous movement with the shield plate in order that by asingle operation said plate and d ampere may be properly positioned for burning solid fuel or may be correctly disposed for consuming gaseous or liquid fuel.

v still further object is to provide an improved iueleading from the burner and having a lateral extension overlying` the top of the ovento carry heat around said oven, and to so position one of the aforesaid dampers as to Aallow it to lie flat upon said extension when open, thereby protecting the latter against the intense heat from the fireboX when solid fuel is being consumed.

lith the foregoing general objects in view, the invention resides in certain novel features of construction and in unique eom binations of parts to be hereinafter fully described and claimed, the descriptive matter beingr supplemented by the accompanying drawings which constitute a part of this application and in which:

F igure 1 is a rear elevation of the improved stove; Fig, 2 is a central longitudinal Specification of Letters Patent.

Application filed April 27, 1916,

liiateni ed July 25, 1916.

Serial No. 94,916. f

sectional view thereof; Fig. 3 is a horizontal sectional view 4taken on the. planes of, the line of Fig. Fig. 4 is an end elevation with parts broken away and in section; and Fig. is a perspective view of the damp-l ers and the operating means therefor.

1n specifically describing the construction shown in the drawings above briefly described, similar characters Will be placed on eorrespending` parts throughout the several views, and reference will be herein made to the numerous elements by their respective indices. To this end, the numeral 1 designates an appropriate base preferably having 1ers 2, said base supporting thereon a shell 3 whose top i is provided at one end with a grating 5 and at other points with openings closed normally by lids 6. Gas burners 7 are disposed beneath the grating 5 and housed Within a suitable compartment 8, a portion of which projects from one end of the shell 3. At its opposite end the shell equipped with a firebox 9 and an ash pit 10 beneath the same.

An oven 11 is spaced from the top, bottom and ends of the shell 3, said oven being separated from the firoboX and ash pit by :in upright partition 1:2 which lis spaced from the oven and extends laterally at 13 along a portion of the top thereof, the space '11i between the oven and partition constituting a contracted portion of a flue F which extends beneath the oven as shown at 15 and upwardly aiong the other end oi said oren as depicted at 1G, the portions 14 and 1G both communicating with the space 17 between the oven and the top 4 of the stove.

An Lshaped partit-ion 18 extends downwardly between the outer end of the ove and the aoiacent end ot the shell 3 and con` tinues horizontally betaf'een the bottoms f'f' said oven and shell, the horizontally extend? ing portion of said partition preferably terminating midway the ends of the oven as shown in Fig. .2. A second partition 19 eX- tends between the tops of the oven and shell, one end of said partition terminating at the inner Wall of the compartment 8 and thus leaving anY opening 20 between itself and the upperfend of the partition 18. The other end of said partition 19,. however, joins a vertical Wall 21 which extends rearwardly therefrom tothe rear Side of the shell 3, said Wall serving to prevent the entrance of smoke and the like from the {ire-box into the space behind the partition 19 with saA out first traveling in front of said partition and through the opening 29.

A damper 22 is pivoted adjacent its lower edge :1r-l is adapted to either obstruct or allow cimmunication between the space 17 and the fire-box 9, said damper when open for allowing the'box 9 to be used,lying flat upon the lateral extension 13 of the partition and. thus protecting the same against the intense heat from the fire.

A damper 23 is pivotally mounted within the opening 2 0 and kis provided with an operating rod24 leading through the front of the stove. When this damper is open with a 4tire burning in the box 9, the smoke and hot air from said fire may pass through the space 17 in advance of the partition 19, through the opening 20 and then through an outlet opening 25 into a hood or the like 26 Afrom which an ordinary stove pipe extends.

l/Vhen, however, the damper 231s closed, the

heat from the fire-box must pass over the oven through the space 17, downwardly in advance ofl the partition 18, horizontally around theV end ofV this partition and then retrace its course in rear of said partition, vwhereug :n it' may be discharged through the opening7 :2.5, which latter is provided with a pivoted damper 27.I

The end wall of the shell 3 remote from the fire-box and ash pit, which wall is desig nated by the numeral 28, has at its lower end an opening which extends throughout the Width of' said wall and terminates at the bottom 29 of the shell, this opening being normally closed by a removable apertured plate -30 which is preferably concave-convex in cross section with its convex face positioned outwardly. The plate 30 may be secured in place by any preferred means but the lower -edge thereof preferably has formed thereon a number of depending fingers 31 rfiich project into openings 32 in i any suitable fixed part of the stove, said i te openings being preferably in the upper edge of the base 1. This will ell'ectively hold the A plate in position as longv as the upper edge thereof is prevented from tilting outwardly and for preventing such movement suitable turnV buttons or the like 32 are provided. It will be und rstood that regardless of the construction sl; iwn, the plate 30 may be secured in position in any'suitable manner.

l A Mounted non-rotatably in the'ue F adjacent the inner face 'of the plate 30 and extending substantially throughout the width of said flue is a burner 33 which is adapted "in the present embodiment of the invention toV burn vnatural or manufactured gas,

.. although it might well be of such construction'astoipermit the burning of liquid fuel. Thebu'iner'33 passes through a notch 34 1n the outer corner of the partition 18 and is prcvided on .hdllhSdQQ rsa diverging fuel discharge;noilff35, said ,nozzles being disposed in diverging relation burner for cleaning or repairing the same,

if this should be necessary. Here again, it is to be understood that'although' the burner 33 is shown and described as mounted in a certain specific manner, other ways may well be adopted if found desirable.

For the purpose of preventing soot and the like from accumulating on the burner 33 when the fire-box 9 is in' operation, an arcuatev shield plate 39 is pivotally mounted at one edge directly above said burner and in close proximity to the plate 30, said plate being preferably formed as an integral part of a rock shaft 40 whose rear end projects beyond the shell 3 and whose front end is squared as shown at 41 for the reception of an appropriate tool, whereby it may be rocked.

Vhen the burner 33is in use the shield plate 39 is raised as shown in Fig. 2 and will then extend obliquely into the vertical portion 16 of the flue, sadplate serving to partially close this portion of the flue, thus Ipreventing the passage of heat therethrough with greater ease than through the contracted portion 14. This equalizes the travel of heat and prevents it from short circuiting through the vertical portion 16. When a fire is burning in the boX 9 the plate 39 will be swung downwardly 'across the corner of the'ilue in v which it is located (Sec dotted lines in Fig.

2) and when in this position, it will effectively prevent the accumulation of dust and soot upon the burner 33. The bottom 29 of the shell 3 is preferably formed with an integral upstanding rib 42 against which the free edge of plate 39 abuts when lowered.

The portion 15 ofthe flue may be readily cleaned out when the plate 39 is lowered, the plate 30 being provided with a clean out slot normally closed by a door 43, Said slot being so positioned as to be disposed at the upper edge of the plate 39 v. 'nen the latter is in its lowermost position. By the use of an ordinary scraper all soot and the like which may have accumulated uponv the bottom 29 of the shell may be drawn upwardly along the plate L39 and outwardly throughv the aforesaid slot.

partitions such as 18, 'said plate will be unlaenger its lengtu, out vwhen is the case in the vpresent embodimentottlie invention, said ,of the oven di, ad

.otailynountedinthe vlower end lof thepor l.tion ile oi theiiue,4 saidfdarnper. being adapt-` .ed to be closed 'when solid fuel. is being oonsuinediinthe lire box The damper 46 is y lpreferably `fnmunted `on .a rook shaftl 47,

Whose xrear end projects beyond the` rear nside oftheY stove. The dampers 22 and 27 fare 'also' preferably mounted upon rock lshatts lo and 49 respectively, theee shafts likewise projecting .beyond the rear eide of vthe stove."` This construction provided in "order Athat the shafts 47, 48 Aand 49 ot' the f three dampers and the shaft d() of the shield =plate 39 may all beconnectedvior simultaneousmovement when said shaft 4G is v-turned bythe application of a suitable tool -to the squared portion fil thereof, the con A"nections between the parte in question being -rsuch as to' properly 'position the numerous dampersfor .burning solid liuel when the.

*plater is swung downwardly or for using the'burner 33 when said plate is moved upwardly. l

shorter link 53 with a cra-nk arm 54 which f1.1 sends to said arms, the upper portion of *fsai'd link being loosely' connected by a `projects rearwardly from the roelr eba'ft of damper 27.5v The crank arm.y 50 is con-y nected pivotally with one end of a horin zontal link 55 Whose other end is pivoted to 'a crankarin 'extending from the'k rear end of the shaft 40. By this construction when the shaft/i0 is rocked to lower the plate 39, the damper 46 will be closed While dampers 22 and 27 Will be opened, thus placing the stove in condition for the luxrning of solid fuel. When hob'eveig V said VShaft 4C' is rocked to raise the plate 39 as shown in full lines in Fig. Q the damper 46 will be opened and dempers and 2? Will at the same time be closed. This places the stove in condition for using the burner A vont 57 is employed in connection with the parts above deecribed, said vent establishing communication between the hood 26 and the spaoe 17 andalso between said hood and the compartment 8 to allow the escape of poisonous gases from 'the stove.

se slot ',r id partition as Shown' y 1 the ash pitr .1Q provided with a M1b 45T) `x fWlfiich.V extends ltoward said, pit, said -rib y ,cooperan-.g with a damper 4G Whichis piv From theforegoing,V takenin connection with the accompanying draWingsyit/-Will be obvious that I have'prrw'ide'd4 a convertible y l 4unique ituiee of constraction,k Aps'i'rticular5- emphaei ing laid uponv4 the twolfoid func-tion of the neld plate Si), upon'the"means forV operating kthe numerous rdmipersA sinful-taneously with the operation of saidfplate 39, the lateral extension 13 of the partition 12 and the manner in Whichthis extension is stove vwhich possesses'a' number' I protected by the damper 22. l

in conclusion, will state that although I have shown and described certain specific details for accomplishing probably the best results, numerous' changes may be made within the scope of the'invention as claimed without sacrificing the main advantages thereof. l

l claim:

1. in a convertible stove, an oven, a flue extending beneath `and along the ends of said oven, saidflue having a contracted .portion7 a lire-box in dampered communica- (tion with said flueya burner mounted nonrotatably .in one angle of the iiue and eX- .tending substantially throughout the Width of said flue, and a shield plate pivotally mounted in the flue and adapted to swing over said burner When solid fuel is being consumed in the fire-box, said shield plate otherwise serving to partially close a part of the ilue to prevent the discharge of heat through the larger portion thereof with greater ease than through the contracted portion.

2. Ina convertible stove, an oven, a flue extending beneath and along the ends of said oven, a iirebck, a damper forcontrolling communication between said fire-box and liuc, a. burner mounted non-rotatably in said iue and extending substantially throughout the Width of the latter, a pivotally mounted shield plate adapted to swing over said burner when the rdamper is open to permit consumption ofsolid fuel in the lire-bou7 and` operating connections between said damper and Shield plate for operating the two simultaneously.

3. In a convertible stove, an oven, a flue extending beneath and along the ends of said oven, said Hue havinga contracted portion, a nre-box, a damper for'controlling communication between Said fire-box and flue, a burner mounted non-rotatably in one angle ois'aid flue and extending substantially throughout the Width of the latter, a pivotaily mounted shield plate adapted to swing over said burner when the damper is opened to permit consumption of solid fuel in the fire-box, said plate otherwise serving to partially close a part of the flue to -prmfent the discharge of heat through the larger portion thereof with greater ease than the contracted portion, and operating .connections between said damper and said shield plate for operating the two simultaneously.

4. In a convertible stove, an oven, a smoke and gas outlet, a flue extending beneath and along both ends of the o ven, a damper controlling communication between said Hue and said outlet, a fire-box, a second damper controlling communication between the same and the-flue, a burner mounted nonof, the portion of said flue between the oven and fire-box being contracted and extending laterally along the top of the oven, a burner in said flue, a pivoted damper controlling communication between the fire-box and the space above the oven, and an outlet from said space', said damper when opened lying Aon the top wall of said laterally extending portion of the flue and protecting the same against the intense heat from; the fire-box.

6. In a convertible stove, an oven, a firebox adjacent one end thereof, a flue extending beneath the oven and along the ends thereof, the 'portionv of said flue between the y oven and fire-box being contracted,.a burner in the angle of the flue remote'fromthe {ire-box and extending throughout the width of said Hue, and an arcuate shield plate pivoted at one, edge above the burner and adapted to swing downwardly across said angle of the flue to protect the burner when solid fuel is being consumed in the lire-box, said plate otherwise extending obliquely Yinto 'the part of the flue above theburner and partly closing the same to prevent the discharge of heat therethrough with greater ease than through the contracted portion of the flue.

7. In a convertible stove, an \oven. spaced downwardly from the top of the stove, a

VV skinoke and gas outlet from the space above saidevegwa -fire-box 4adjacent one end of said ovenffdamper controlling communication between said ifbosal, said space, a iiue extending below and alongeboth ends substantially' of said oven` the ends of said flue communicating with saidspace and the portion of the flue between the oven and lire-box being contracted, a`\second damper for closing said contracted portion, this damper being open when the other is closed, a burner mounted .in the angle of the flue remote from the fire- 4box and extending substantially throughout the width of said flue, a shield plate pivoted at one edge above the burner, said plate being adapted to swing downwardly across the aforesaid angle of the flue to protect the burner when solid fuel is being consumed, the first and second dampers being then respectively open and closed, said'shield plate otherwise extending obliquely into the part of the flue above the burner to partly close the same and prevent the escape of heat vtherethrough with greater ease than through vthe contracted portion of the flue, and operating connections between the two dampers and the shield plate for moving them to their proper positions simultaneously.

8. In a convertible stove, a shell having at one end a fire-box, an oven in said shell and spaced downwardl from the top thereof, a flue extending beneath theoven and o along both ends thereof, said flue communieating at its opposite ends with the space above the oven, the end -wall of the shell remote from the fire-box having. a horizontally elongated opening at its lower end', -a

burner inserted into the flue through said opening lgrid extending l substantially throughout zthe width of .said flue, said burner having an outwardly projecting fuel WILLIAM JOHN STAFFORD.

IVitnesses:

'IDA GROSS,

FRED SWARTRING. 

